12275595 has 24 divisors (see below), whose sum is σ = 21683376. Its totient is φ = 6422208.

The previous prime is 12275591. The next prime is 12275609. The reversal of 12275595 is 59557221.

It is not a de Polignac number, because 12275595 - 2² = 12275591 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12275591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189 + ... + 4958.

It is an arithmetic number, because the mean of its divisors is an integer number (903474).

Almost surely, 2^12275595 is an apocalyptic number.

12275595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12275595 is a deficient number, since it is larger than the sum of its proper divisors (9407781).

12275595 is a wasteful number, since it uses less digits than its factorization.

12275595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211 (or 5208 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 12275595 is about 3503.6545206398. The cubic root of 12275595 is about 230.6822527345.

The spelling of 12275595 in words is "twelve million, two hundred seventy-five thousand, five hundred ninety-five".